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gisi: Add checks for NULL

This commit is contained in:
Aki Niemi 2011-02-07 09:44:50 +02:00
parent ab0df92d97
commit f6f6b1f8ac
1 changed files with 9 additions and 1 deletions
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10
gisi/modem.c
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@ -502,14 +502,22 @@ GIsiModem *g_isi_modem_create_by_name(const char *name)
void *g_isi_modem_set_userdata(GIsiModem *modem, void *data)
{
void *old = modem->opaque;
void *old;
if (modem == NULL)
return NULL;
old = modem->opaque;
modem->opaque = data;
return old;
}
void *g_isi_modem_get_userdata(GIsiModem *modem)
{
if (modem == NULL)
return NULL;
return modem->opaque;
}